JP2000038057A - Virtual image display meter for vehicles - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a virtual image indication meter for a vehicle to form a virtual image indication meter in which a meter and a reflection meter are incorporated, eliminate a need for regulation of a reflection mirror alone, and prevent the occurrence of chatter of the image of a reflection mirror. SOLUTION: In a vehicle virtual image indication meter formed that the indication part 3a of a meter 3 is reflected by a reflection mirror 4 and visually observed from a driver's seat, the meter 3 and the reflection mirror 4 are incorporated in a case 2, the case 2 is oscillatorily supported at a vehicle instrument panel 11, and the angle of the reflection mirror 4 is regulated by oscillating and fixing the case 2 by a regulation knob 8.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a virtual image display meter for a vehicle, and more particularly, to a display image of a meter such as a speedometer, an odometer, a fuel gauge, etc., which is displayed on a reflection mirror and can be visually recognized from a driver's seat. And a virtual image display meter for a vehicle.

[0002]

2. Description of the Related Art As shown in FIG. 7, a vehicular display device in which a display image of a meter 34 is reflected by a reflection mirror 32 mounted on an upper part of an instrument panel 11 of a vehicle so as to be visible from a driver's seat. Known (Kaihei 2)
-85474). That is, the meter 34 is provided on the column cover 30 of the vehicle, and the reflection mirror 32 is mounted on the instrument panel 11 so that the display image of the meter 34 is reflected by the reflection mirror 32 so as to be visible from the driver's seat.

The reflection mirror 32 is connected to a drive mechanism 35 via a leg 32a, and is moved up and down and back and forth by the drive mechanism 35 to adjust the position to an easily viewable angle.

[0004]

The above-described conventional display device for a vehicle has a structure in which the reflection mirror 32 is provided at a position different from the meter 34 and the angle of the reflection mirror 32 is adjusted. In this case, chatter due to the vibration of the automobile occurs, and the image on the reflection mirror 32 tends to be out of order. In addition, since the meter 34 and the reflection mirror 32 are separate bodies, there is a problem that a large mounting space is required, and it takes time to assemble the vehicle.

The present invention has been made in view of the above points, and is a virtual image display meter in which a meter and a reflecting mirror are incorporated in a case, which eliminates the need to adjust the reflecting mirror alone and eliminates the chatter of the image of the reflecting mirror. It is an object to provide a virtual image display meter for use.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, an invention according to claim 1 is a virtual image display meter for a vehicle in which a display section of the meter is reflected by a reflecting mirror so that the meter can be visually recognized from a driver's seat. The meter and the reflection mirror are incorporated in a case, the case is swingably supported on an instrument panel of a vehicle, and the case is swung to be fixed at an arbitrary position by adjusting means. It is characterized in that the angle of the reflection mirror is adjusted.

Therefore, according to the first aspect of the invention, the display image of the meter is displayed on the reflection mirror and can be visually recognized from the driver's seat. The reflection mirror is incorporated into the case of the virtual image display meter together with the meter, and the angle of the reflection mirror is adjusted by moving the entire virtual image display meter. The chatter and distortion of the virtual image can be eliminated.

According to a second aspect of the present invention, there is provided a virtual image display meter for a vehicle according to the first aspect, wherein the adjusting means comprises:
An adjustment knob having a lock portion having a non-uniform diameter from the center of rotation is rotatably attached to the case while restraining axial movement, and a lock hole against which the lock portion is pressed by rotation of the adjustment knob. Is formed on the instrument panel, and the adjustment knob is axially moved and rotated in the lock hole to lock at an arbitrary position.

According to the second aspect of the present invention, the angle of the reflection mirror can be adjusted by axially moving the adjustment knob with respect to the lock hole, and the lock and unlock can be performed by rotating the adjustment knob, and the adjustment operation can be performed with one touch. I can do it.

According to a third aspect of the present invention, there is provided the virtual image display meter for a vehicle according to the first or second aspect, wherein the case is supported on the instrument panel by a hinge member. It is.

According to the third aspect of the present invention, since the shaft and the bearing are not used, rattling at the fulcrum can be eliminated.

[0012]

Embodiments of the present invention will be described below with reference to the drawings.

In FIG. 1 and FIG. 2, the virtual image display meter 1 is provided with a meter 3 having a display section 3a for displaying desired vehicle information near the bottom of the case 2 in front of it.
A reflection mirror 4 is attached to a rear portion of the case 2, and a front glass 5 is provided at a front portion. Shafts 6 are provided on both sides of the case 2.

A pair of brackets 7 are provided on the lower surface of the case 2, and an adjustment knob 8 is attached to the brackets 7 so as to be restrained from moving in the axial direction and to be rotatable. A knurled knob 9 is formed at the base end of the adjustment knob 8, and an elliptical lock 10 is formed at the tip.

A recess 12 is formed in an instrument panel 11 of the vehicle so as to face the driver's seat. This recess 1
A paragraph 14 is formed at the front edge of the bottom surface of the second 2 via a front wall 13, and the tip of the paragraph 14 is fixed to a trim plate 16 with screws 17. An elliptical lock hole 18 is formed in the front wall portion 13 (see FIG. 3). Recess 12
A pair of bearing plates 20 are provided at the upper corners of the, and a shaft hole 22 is formed in the bearing plate 20. The front portion of the shaft hole 22 is an opening 22a.

The shaft 6 protruding from both upper sides of the case 2
It is inserted into the shaft hole 22 through the opening 22 a and is rotatably held by the bearing plate 21. The lock portion 10 of the adjustment knob 8 is inserted into the lock hole 18.

The relationship between the lock hole 18 and the lock portion 10 is such that when the directions of the ellipses are parallel as shown in FIG. 4A, the lock knob 18 is loosely fitted. The virtual image display meter 1 swings around the axis 20 by this forward and backward movement, and the direction of the reflection mirror 4 changes. When the adjustment knob 8 is rotated by about 90 degrees at the optimum position, the lock hole 18 is rotated as shown in FIG.
The orientation of the ellipse of the lock portion 10 and the lock portion 10 are substantially at right angles, the lock portion 10 is pressed against and fixed to the inner periphery of the lock hole 18, and the virtual image display meter 1 is locked to the instrument panel 11.

FIGS. 5 and 6 show a modification of the support structure of the virtual image display meter 1, in which the upper part of a resin hinge member 25 having a bendable thin connecting portion 24 is attached to the instrument panel 11 with screws 26 and the like. , The lower part is fixed to the upper part of the virtual image display meter 1, and the virtual image display meter 1 is suspended. In this support structure, since no shaft and bearing are used, rattling at the fulcrum can be completely eliminated. The hinge member 25 may be a metal hinge instead of a resin as shown in the figure.

The locking means of the adjustment knob 8 is not limited to the elliptical locking portion 10 and may be any non-circular or eccentric shape having a non-uniform diameter from the center of rotation. Instead of an ellipse, it may be a horizontally long rectangular hole.

As described above, in the virtual image display meter 1 of the present embodiment, the meter 3 and the reflection mirror 4 are integrated into the case 2 and the angle of the reflection mirror 4 is adjusted by moving the entire virtual image display meter 1. As a result, the relative positions of the meter 3 and the reflection mirror 4 do not shift, and chatter and distortion of the virtual image due to the vibration of the vehicle can be eliminated.

[0021]

As described above in detail, according to the first aspect of the present invention, the reflection mirror is incorporated in the case of the virtual image display meter together with the meter, and the entire virtual image display meter is moved to adjust the angle of the reflection mirror. Since it is performed, the relative position of the meter and the reflecting mirror does not shift, and the chatter and distortion of the virtual image due to the vibration of the vehicle can be eliminated,
A high-quality display image can always be obtained, and the meter and the reflection mirror are compactly stored in one case, so that it can be easily incorporated into a vehicle.

According to the second aspect of the present invention, the angle of the reflection mirror can be adjusted by moving the adjustment knob in the axial direction with respect to the lock hole, and the lock portion of the adjustment knob is pressed against the lock hole to be locked. Therefore, in addition to the effect of the first aspect of the present invention, locking and unlocking can be performed by axial movement of the adjustment knob and minute rotation operation thereof, and the angle adjustment operation of the virtual image display meter can be easily performed with one touch.

According to the third aspect of the invention, since the case of the virtual image display meter for a vehicle is supported by the hinge member, in addition to the effects of the first or second aspect of the invention, no shaft and bearing are used. Therefore, rattling at the fulcrum can be completely eliminated, and a smooth swinging motion can be performed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a virtual image display meter for a vehicle according to the present invention.

FIG. 2 is a vertical sectional side view of a state where the virtual image display meter for a vehicle is assembled to a vehicle.

FIG. 3 is a perspective view of an adjustment knob and a lock hole.

FIGS. 4A and 4B are explanatory diagrams showing a positional relationship between a lock portion and a lock hole of an adjustment knob, wherein FIG. 4A shows a lock release state, and FIG.

FIG. 5 is a perspective view showing another embodiment of the virtual image display meter for a vehicle according to the present invention.

FIG. 6 is a side view of a support portion of the virtual image display meter for a vehicle in FIG. 5;

FIG. 7 is a side view of a conventional reflection type vehicle display device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Virtual image display meter 2 Case 3 Meter 3a Display part 4 Reflection mirror 8 Adjustment knob (adjustment means) 10 Lock part (adjustment means) 11 Instrument panel 18 Lock hole (adjustment means) 25 Hinge member

Claims (3)

[Claims] 1. A virtual image display meter for a vehicle in which a display portion of a meter is reflected by a reflecting mirror so that the meter can be visually recognized from a driver's seat, wherein the meter and the reflecting mirror are incorporated in a case,
The vehicle, wherein the case is swingably supported on an instrument panel of the vehicle, and the case is swung to be fixed at an arbitrary position by adjusting means, and the angle of the reflection mirror is adjusted. Virtual image display meter. 2. The adjusting means according to claim 1, wherein said adjusting knob has a locking portion having a non-uniform diameter from a center of rotation and is rotatably mounted on said case while restraining axial movement of said adjusting knob. A lock hole for pressing the lock portion is formed in the instrument panel, and the adjustment knob is axially moved and rotated in the lock hole to lock at an arbitrary position. The vehicle virtual image display meter according to claim 1. 3. The virtual image display meter for a vehicle according to claim 1, wherein the case is supported on the instrument panel by a hinge member.